5f8a42727d
This is a reland of 1c48d52bb1.
It turned out that IterableToList doesn't always behave according to
the ES operation with the same name. Specifically, it allows holey arrays
to take its fast path, which produces an output array with holes where
actually "undefined" elements should appear.
This CL changes the version of IterableToList that is used for spreads
(IterableToListWithSymbolLookup) such that holey arrays take the slow path.
It also includes tests for such situations.
Original change's description:
> [interpreter] Add bytecode for leading array spreads.
>
> This CL improves the performance of creating [...a, b] or [...a].
> If the array literal has a leading spread, this CL emits the bytecode
> [CreateArrayFromIterable] to create the literal. CreateArrayFromIterable
> is implemented by [IterableToListDefault] builtin to create the initial
> array for the leading spread. IterableToListDefault has a fast path to
> clone efficiently if the spread is an actual array.
>
> The bytecode generated is now shorter. Bytecode generation is refactored
> into to BuildCreateArrayLiteral, which allows VisitCallSuper to benefit
> from this optimization also.
> For now, turbofan also lowers the bytecode to the builtin.
>
> The idiomatic use of [...a] to clone the array a now performs better
> than a simple for-loop, but still does not match the performance of slice.
>
> Bug: v8:7980
>
> Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
> Change-Id: Ibde659c82d3c7aa1b1777a3d2f6426ac8cc15e35
> Reviewed-on: https://chromium-review.googlesource.com/1181024
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Commit-Queue: Georg Neis <neis@chromium.org>
> Commit-Queue: Hai Dang <dhai@google.com>
> Cr-Commit-Position: refs/heads/master@{#55520}
Bug: v8:7980
Change-Id: I0b5603a12d2b588327658bf0a9b214bd0f22e237
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/1201882
Commit-Queue: Hai Dang <dhai@google.com>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55639}
1325 lines
48 KiB
Plaintext
1325 lines
48 KiB
Plaintext
#
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# Autogenerated by generate-bytecode-expectations.
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#
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---
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wrap: no
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test function name: f
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---
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snippet: "
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function f(arr) {
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for (let x of arr) { let y = x; }
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}
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f([1, 2, 3]);
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"
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frame size: 17
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parameter count: 2
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bytecode array length: 245
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bytecodes: [
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/* 10 E> */ B(StackCheck),
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B(LdaZero),
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B(Star), R(7),
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B(Mov), R(context), R(13),
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B(Mov), R(context), R(14),
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/* 34 S> */ B(LdaNamedProperty), R(arg0), U8(0), U8(0),
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B(Star), R(16),
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B(CallProperty0), R(16), R(arg0), U8(2),
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B(Mov), R(arg0), R(15),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(4),
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/* 34 E> */ B(LdaNamedProperty), R(4), U8(1), U8(4),
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B(Star), R(5),
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/* 29 S> */ B(CallProperty0), R(5), R(4), U8(6),
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B(Star), R(6),
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/* 29 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(6), U8(1),
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B(ToBooleanLogicalNot),
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B(JumpIfFalse), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(6), U8(1),
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B(LdaNamedProperty), R(6), U8(2), U8(8),
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B(JumpIfToBooleanTrue), U8(28),
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B(LdaNamedProperty), R(6), U8(3), U8(10),
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B(Star), R(8),
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B(LdaSmi), I8(2),
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B(Star), R(7),
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B(Mov), R(8), R(3),
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/* 20 E> */ B(StackCheck),
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B(Mov), R(3), R(1),
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/* 49 S> */ B(Mov), R(1), R(0),
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B(LdaZero),
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B(Star), R(7),
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B(JumpLoop), U8(47), I8(0),
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B(Jump), U8(33),
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B(Star), R(15),
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/* 49 E> */ B(CreateCatchContext), R(15), U8(4),
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B(PushContext), R(15),
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B(Star), R(14),
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B(LdaSmi), I8(2),
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B(TestEqualStrict), R(7), U8(12),
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B(JumpIfFalse), U8(6),
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B(LdaSmi), I8(1),
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B(Star), R(7),
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B(LdaImmutableCurrentContextSlot), U8(4),
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B(Star), R(16),
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B(CallRuntime), U16(Runtime::kReThrow), R(16), U8(1),
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B(PopContext), R(15),
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B(LdaSmi), I8(-1),
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B(Star), R(12),
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B(Star), R(11),
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B(Jump), U8(7),
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B(Star), R(12),
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B(LdaZero),
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B(Star), R(11),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Star), R(13),
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B(LdaZero),
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B(TestEqualStrict), R(7), U8(13),
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B(JumpIfTrue), U8(90),
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B(LdaNamedProperty), R(4), U8(5), U8(14),
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B(Star), R(9),
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B(TestUndetectable),
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B(JumpIfFalse), U8(4),
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B(Jump), U8(79),
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B(LdaSmi), I8(1),
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B(TestEqualStrict), R(7), U8(16),
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B(JumpIfFalse), U8(47),
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B(Ldar), R(9),
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B(TestTypeOf), U8(6),
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B(JumpIfFalse), U8(4),
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B(Jump), U8(18),
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B(Wide), B(LdaSmi), I16(154),
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B(Star), R(14),
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B(LdaConstant), U8(6),
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B(Star), R(15),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(14), U8(2),
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B(Throw),
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B(Mov), R(context), R(14),
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B(Mov), R(9), R(15),
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B(Mov), R(4), R(16),
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B(InvokeIntrinsic), U8(Runtime::k_Call), R(15), U8(2),
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B(Jump), U8(6),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Ldar), R(14),
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B(Jump), U8(27),
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B(Mov), R(9), R(14),
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B(Mov), R(4), R(15),
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B(InvokeIntrinsic), U8(Runtime::k_Call), R(14), U8(2),
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B(Star), R(10),
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B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(10), U8(1),
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B(JumpIfToBooleanFalse), U8(4),
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B(Jump), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1),
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B(Ldar), R(13),
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B(SetPendingMessage),
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B(LdaZero),
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B(TestReferenceEqual), R(11),
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B(JumpIfFalse), U8(5),
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B(Ldar), R(12),
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B(ReThrow),
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B(LdaUndefined),
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/* 54 S> */ B(Return),
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]
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constant pool: [
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SYMBOL_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
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SCOPE_INFO_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
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ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
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]
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handlers: [
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[7, 121, 129],
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[10, 88, 90],
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[189, 199, 201],
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]
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---
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snippet: "
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function f(arr) {
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for (let x of arr) { eval('1'); }
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}
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f([1, 2, 3]);
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"
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frame size: 24
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parameter count: 2
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bytecode array length: 325
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bytecodes: [
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B(CreateFunctionContext), U8(0), U8(4),
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B(PushContext), R(9),
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B(Ldar), R(this),
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B(StaCurrentContextSlot), U8(5),
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B(Ldar), R(arg0),
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B(StaCurrentContextSlot), U8(4),
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B(CreateMappedArguments),
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B(StaCurrentContextSlot), U8(7),
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B(Ldar), R(8),
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B(StaCurrentContextSlot), U8(6),
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/* 10 E> */ B(StackCheck),
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B(CreateBlockContext), U8(1),
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B(PushContext), R(10),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(LdaZero),
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B(Star), R(4),
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B(Mov), R(context), R(13),
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B(Mov), R(context), R(14),
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/* 34 S> */ B(LdaContextSlot), R(10), U8(4), U8(0),
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B(Star), R(15),
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B(LdaNamedProperty), R(15), U8(2), U8(0),
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B(Star), R(16),
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B(CallProperty0), R(16), R(15), U8(2),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
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B(Star), R(1),
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/* 34 E> */ B(LdaNamedProperty), R(1), U8(3), U8(4),
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B(Star), R(2),
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/* 29 S> */ B(CallProperty0), R(2), R(1), U8(6),
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B(Star), R(3),
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/* 29 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(3), U8(1),
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B(ToBooleanLogicalNot),
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B(JumpIfFalse), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
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B(LdaNamedProperty), R(3), U8(4), U8(8),
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B(JumpIfToBooleanTrue), U8(76),
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B(LdaNamedProperty), R(3), U8(5), U8(10),
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B(Star), R(5),
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B(LdaSmi), I8(2),
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B(Star), R(4),
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B(Mov), R(5), R(0),
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/* 20 E> */ B(StackCheck),
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B(CreateBlockContext), U8(6),
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B(PushContext), R(15),
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B(LdaTheHole),
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B(StaCurrentContextSlot), U8(4),
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B(Ldar), R(5),
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B(StaCurrentContextSlot), U8(4),
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/* 41 S> */ B(LdaLookupGlobalSlot), U8(7), U8(12), U8(3),
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B(Star), R(16),
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B(LdaConstant), U8(8),
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B(Star), R(17),
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B(LdaZero),
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B(Star), R(21),
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B(LdaSmi), I8(37),
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B(Star), R(22),
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B(LdaSmi), I8(41),
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B(Star), R(23),
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B(Mov), R(16), R(18),
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B(Mov), R(17), R(19),
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B(Mov), R(closure), R(20),
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B(CallRuntime), U16(Runtime::kResolvePossiblyDirectEval), R(18), U8(6),
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B(Star), R(16),
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/* 41 E> */ B(CallUndefinedReceiver1), R(16), R(17), U8(14),
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B(PopContext), R(15),
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B(LdaZero),
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B(Star), R(4),
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B(JumpLoop), U8(95), I8(0),
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B(Jump), U8(33),
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B(Star), R(15),
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B(CreateCatchContext), R(15), U8(9),
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B(PushContext), R(15),
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B(Star), R(14),
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B(LdaSmi), I8(2),
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B(TestEqualStrict), R(4), U8(16),
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B(JumpIfFalse), U8(6),
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B(LdaSmi), I8(1),
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B(Star), R(4),
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B(LdaImmutableCurrentContextSlot), U8(4),
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B(Star), R(16),
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B(CallRuntime), U16(Runtime::kReThrow), R(16), U8(1),
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B(PopContext), R(15),
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B(LdaSmi), I8(-1),
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B(Star), R(12),
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B(Star), R(11),
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B(Jump), U8(7),
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B(Star), R(12),
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B(LdaZero),
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B(Star), R(11),
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B(LdaTheHole),
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B(SetPendingMessage),
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B(Star), R(13),
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B(LdaZero),
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B(TestEqualStrict), R(4), U8(17),
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B(JumpIfTrue), U8(90),
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B(LdaNamedProperty), R(1), U8(10), U8(18),
|
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B(Star), R(6),
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B(TestUndetectable),
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B(JumpIfFalse), U8(4),
|
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B(Jump), U8(79),
|
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B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(4), U8(20),
|
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B(JumpIfFalse), U8(47),
|
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B(Ldar), R(6),
|
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B(TestTypeOf), U8(6),
|
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B(JumpIfFalse), U8(4),
|
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B(Jump), U8(18),
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B(Wide), B(LdaSmi), I16(154),
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B(Star), R(14),
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B(LdaConstant), U8(11),
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B(Star), R(15),
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B(CallRuntime), U16(Runtime::kNewTypeError), R(14), U8(2),
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B(Throw),
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B(Mov), R(context), R(14),
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B(Mov), R(6), R(15),
|
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B(Mov), R(1), R(16),
|
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B(InvokeIntrinsic), U8(Runtime::k_Call), R(15), U8(2),
|
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B(Jump), U8(6),
|
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B(LdaTheHole),
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B(SetPendingMessage),
|
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B(Ldar), R(14),
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B(Jump), U8(27),
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B(Mov), R(6), R(14),
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B(Mov), R(1), R(15),
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B(InvokeIntrinsic), U8(Runtime::k_Call), R(14), U8(2),
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B(Star), R(7),
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B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(7), U8(1),
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B(JumpIfToBooleanFalse), U8(4),
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B(Jump), U8(7),
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B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1),
|
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B(Ldar), R(13),
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B(SetPendingMessage),
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B(LdaZero),
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B(TestReferenceEqual), R(11),
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B(JumpIfFalse), U8(5),
|
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B(Ldar), R(12),
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B(ReThrow),
|
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B(PopContext), R(10),
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B(LdaUndefined),
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/* 54 S> */ B(Return),
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]
|
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constant pool: [
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SCOPE_INFO_TYPE,
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SCOPE_INFO_TYPE,
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SYMBOL_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
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SCOPE_INFO_TYPE,
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["eval"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["1"],
|
|
SCOPE_INFO_TYPE,
|
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ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
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]
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handlers: [
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[34, 199, 207],
|
|
[37, 166, 168],
|
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[267, 277, 279],
|
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]
|
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|
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---
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snippet: "
|
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function f(arr) {
|
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for (let x of arr) { (function() { return x; })(); }
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}
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f([1, 2, 3]);
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"
|
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frame size: 15
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parameter count: 2
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bytecode array length: 261
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bytecodes: [
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/* 10 E> */ B(StackCheck),
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B(LdaZero),
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B(Star), R(5),
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B(Mov), R(context), R(11),
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B(Mov), R(context), R(12),
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/* 34 S> */ B(LdaNamedProperty), R(arg0), U8(0), U8(0),
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B(Star), R(14),
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B(CallProperty0), R(14), R(arg0), U8(2),
|
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B(Mov), R(arg0), R(13),
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B(JumpIfJSReceiver), U8(7),
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B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
|
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B(Star), R(2),
|
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/* 34 E> */ B(LdaNamedProperty), R(2), U8(1), U8(4),
|
|
B(Star), R(3),
|
|
/* 29 S> */ B(CallProperty0), R(3), R(2), U8(6),
|
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B(Star), R(4),
|
|
/* 29 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(4), U8(1),
|
|
B(ToBooleanLogicalNot),
|
|
B(JumpIfFalse), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(4), U8(1),
|
|
B(LdaNamedProperty), R(4), U8(2), U8(8),
|
|
B(JumpIfToBooleanTrue), U8(44),
|
|
B(LdaNamedProperty), R(4), U8(3), U8(10),
|
|
B(Star), R(6),
|
|
B(LdaSmi), I8(2),
|
|
B(Star), R(5),
|
|
B(Mov), R(6), R(1),
|
|
/* 20 E> */ B(StackCheck),
|
|
B(CreateBlockContext), U8(4),
|
|
B(PushContext), R(13),
|
|
B(LdaTheHole),
|
|
B(StaCurrentContextSlot), U8(4),
|
|
B(Ldar), R(6),
|
|
B(StaCurrentContextSlot), U8(4),
|
|
/* 41 S> */ B(CreateClosure), U8(5), U8(12), U8(2),
|
|
B(Star), R(14),
|
|
/* 67 E> */ B(CallUndefinedReceiver0), R(14), U8(13),
|
|
B(PopContext), R(13),
|
|
B(LdaZero),
|
|
B(Star), R(5),
|
|
B(JumpLoop), U8(63), I8(0),
|
|
B(Jump), U8(33),
|
|
B(Star), R(13),
|
|
B(CreateCatchContext), R(13), U8(6),
|
|
B(PushContext), R(13),
|
|
B(Star), R(12),
|
|
B(LdaSmi), I8(2),
|
|
B(TestEqualStrict), R(5), U8(15),
|
|
B(JumpIfFalse), U8(6),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(5),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(14),
|
|
B(CallRuntime), U16(Runtime::kReThrow), R(14), U8(1),
|
|
B(PopContext), R(13),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(10),
|
|
B(Star), R(9),
|
|
B(Jump), U8(7),
|
|
B(Star), R(10),
|
|
B(LdaZero),
|
|
B(Star), R(9),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(11),
|
|
B(LdaZero),
|
|
B(TestEqualStrict), R(5), U8(16),
|
|
B(JumpIfTrue), U8(90),
|
|
B(LdaNamedProperty), R(2), U8(7), U8(17),
|
|
B(Star), R(7),
|
|
B(TestUndetectable),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(79),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(5), U8(19),
|
|
B(JumpIfFalse), U8(47),
|
|
B(Ldar), R(7),
|
|
B(TestTypeOf), U8(6),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(18),
|
|
B(Wide), B(LdaSmi), I16(154),
|
|
B(Star), R(12),
|
|
B(LdaConstant), U8(8),
|
|
B(Star), R(13),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(12), U8(2),
|
|
B(Throw),
|
|
B(Mov), R(context), R(12),
|
|
B(Mov), R(7), R(13),
|
|
B(Mov), R(2), R(14),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(13), U8(2),
|
|
B(Jump), U8(6),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(12),
|
|
B(Jump), U8(27),
|
|
B(Mov), R(7), R(12),
|
|
B(Mov), R(2), R(13),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(12), U8(2),
|
|
B(Star), R(8),
|
|
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(8), U8(1),
|
|
B(JumpIfToBooleanFalse), U8(4),
|
|
B(Jump), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(8), U8(1),
|
|
B(Ldar), R(11),
|
|
B(SetPendingMessage),
|
|
B(LdaZero),
|
|
B(TestReferenceEqual), R(9),
|
|
B(JumpIfFalse), U8(5),
|
|
B(Ldar), R(10),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
/* 73 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
SYMBOL_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
SCOPE_INFO_TYPE,
|
|
SHARED_FUNCTION_INFO_TYPE,
|
|
SCOPE_INFO_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
|
]
|
|
handlers: [
|
|
[7, 137, 145],
|
|
[10, 104, 106],
|
|
[205, 215, 217],
|
|
]
|
|
|
|
---
|
|
snippet: "
|
|
function f(arr) {
|
|
for (let { x, y } of arr) { let z = x + y; }
|
|
}
|
|
f([{ x: 0, y: 3 }, { x: 1, y: 9 }, { x: -12, y: 17 }]);
|
|
"
|
|
frame size: 20
|
|
parameter count: 2
|
|
bytecode array length: 283
|
|
bytecodes: [
|
|
/* 10 E> */ B(StackCheck),
|
|
B(LdaZero),
|
|
B(Star), R(10),
|
|
B(Mov), R(context), R(16),
|
|
B(Mov), R(context), R(17),
|
|
/* 41 S> */ B(LdaNamedProperty), R(arg0), U8(0), U8(0),
|
|
B(Star), R(19),
|
|
B(CallProperty0), R(19), R(arg0), U8(2),
|
|
B(Mov), R(arg0), R(18),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
|
|
B(Star), R(7),
|
|
/* 41 E> */ B(LdaNamedProperty), R(7), U8(1), U8(4),
|
|
B(Star), R(8),
|
|
/* 36 S> */ B(CallProperty0), R(8), R(7), U8(6),
|
|
B(Star), R(9),
|
|
/* 36 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(9), U8(1),
|
|
B(ToBooleanLogicalNot),
|
|
B(JumpIfFalse), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(9), U8(1),
|
|
B(LdaNamedProperty), R(9), U8(2), U8(8),
|
|
B(JumpIfToBooleanTrue), U8(66),
|
|
B(LdaNamedProperty), R(9), U8(3), U8(10),
|
|
B(Star), R(11),
|
|
B(LdaSmi), I8(2),
|
|
B(Star), R(10),
|
|
B(Mov), R(11), R(5),
|
|
/* 20 E> */ B(StackCheck),
|
|
B(Mov), R(5), R(6),
|
|
B(Ldar), R(6),
|
|
B(JumpIfUndefined), U8(6),
|
|
B(Ldar), R(6),
|
|
B(JumpIfNotNull), U8(16),
|
|
B(LdaSmi), I8(81),
|
|
B(Star), R(18),
|
|
B(LdaConstant), U8(4),
|
|
B(Star), R(19),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(18), U8(2),
|
|
/* 31 E> */ B(Throw),
|
|
/* 31 S> */ B(LdaNamedProperty), R(6), U8(4), U8(12),
|
|
B(Star), R(1),
|
|
/* 34 S> */ B(LdaNamedProperty), R(6), U8(5), U8(14),
|
|
B(Star), R(2),
|
|
/* 56 S> */ B(Ldar), R(2),
|
|
/* 58 E> */ B(Add), R(1), U8(16),
|
|
B(Star), R(0),
|
|
B(LdaZero),
|
|
B(Star), R(10),
|
|
B(JumpLoop), U8(85), I8(0),
|
|
B(Jump), U8(33),
|
|
B(Star), R(18),
|
|
/* 56 E> */ B(CreateCatchContext), R(18), U8(6),
|
|
B(PushContext), R(18),
|
|
B(Star), R(17),
|
|
B(LdaSmi), I8(2),
|
|
B(TestEqualStrict), R(10), U8(17),
|
|
B(JumpIfFalse), U8(6),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(10),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(19),
|
|
B(CallRuntime), U16(Runtime::kReThrow), R(19), U8(1),
|
|
B(PopContext), R(18),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(15),
|
|
B(Star), R(14),
|
|
B(Jump), U8(7),
|
|
B(Star), R(15),
|
|
B(LdaZero),
|
|
B(Star), R(14),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(16),
|
|
B(LdaZero),
|
|
B(TestEqualStrict), R(10), U8(18),
|
|
B(JumpIfTrue), U8(90),
|
|
B(LdaNamedProperty), R(7), U8(7), U8(19),
|
|
B(Star), R(12),
|
|
B(TestUndetectable),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(79),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(10), U8(21),
|
|
B(JumpIfFalse), U8(47),
|
|
B(Ldar), R(12),
|
|
B(TestTypeOf), U8(6),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(18),
|
|
B(Wide), B(LdaSmi), I16(154),
|
|
B(Star), R(17),
|
|
B(LdaConstant), U8(8),
|
|
B(Star), R(18),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(17), U8(2),
|
|
B(Throw),
|
|
B(Mov), R(context), R(17),
|
|
B(Mov), R(12), R(18),
|
|
B(Mov), R(7), R(19),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(18), U8(2),
|
|
B(Jump), U8(6),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(17),
|
|
B(Jump), U8(27),
|
|
B(Mov), R(12), R(17),
|
|
B(Mov), R(7), R(18),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(17), U8(2),
|
|
B(Star), R(13),
|
|
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(13), U8(1),
|
|
B(JumpIfToBooleanFalse), U8(4),
|
|
B(Jump), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(13), U8(1),
|
|
B(Ldar), R(16),
|
|
B(SetPendingMessage),
|
|
B(LdaZero),
|
|
B(TestReferenceEqual), R(14),
|
|
B(JumpIfFalse), U8(5),
|
|
B(Ldar), R(15),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
/* 65 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
SYMBOL_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["y"],
|
|
SCOPE_INFO_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
|
]
|
|
handlers: [
|
|
[7, 159, 167],
|
|
[10, 126, 128],
|
|
[227, 237, 239],
|
|
]
|
|
|
|
---
|
|
snippet: "
|
|
function* f(arr) {
|
|
for (let x of arr) { let y = x; }
|
|
}
|
|
f([1, 2, 3]);
|
|
"
|
|
frame size: 18
|
|
parameter count: 2
|
|
bytecode array length: 286
|
|
bytecodes: [
|
|
B(SwitchOnGeneratorState), R(3), U8(0), U8(1),
|
|
B(Mov), R(closure), R(12),
|
|
B(Mov), R(this), R(13),
|
|
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(12), U8(2),
|
|
B(Star), R(3),
|
|
/* 11 E> */ B(StackCheck),
|
|
/* 11 E> */ B(SuspendGenerator), R(3), R(0), U8(12), U8(0),
|
|
B(ResumeGenerator), R(3), R(0), U8(12),
|
|
B(Star), R(12),
|
|
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(3), U8(1),
|
|
B(SwitchOnSmiNoFeedback), U8(1), U8(2), I8(0),
|
|
B(Ldar), R(12),
|
|
/* 11 E> */ B(Throw),
|
|
B(Ldar), R(12),
|
|
/* 55 S> */ B(Return),
|
|
B(LdaZero),
|
|
B(Star), R(8),
|
|
B(Mov), R(context), R(14),
|
|
B(Mov), R(context), R(15),
|
|
/* 35 S> */ B(LdaNamedProperty), R(arg0), U8(3), U8(0),
|
|
B(Star), R(17),
|
|
B(CallProperty0), R(17), R(arg0), U8(2),
|
|
B(Mov), R(arg0), R(16),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
|
|
B(Star), R(5),
|
|
/* 35 E> */ B(LdaNamedProperty), R(5), U8(4), U8(4),
|
|
B(Star), R(6),
|
|
/* 30 S> */ B(CallProperty0), R(6), R(5), U8(6),
|
|
B(Star), R(7),
|
|
/* 30 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(7), U8(1),
|
|
B(ToBooleanLogicalNot),
|
|
B(JumpIfFalse), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1),
|
|
B(LdaNamedProperty), R(7), U8(5), U8(8),
|
|
B(JumpIfToBooleanTrue), U8(28),
|
|
B(LdaNamedProperty), R(7), U8(6), U8(10),
|
|
B(Star), R(9),
|
|
B(LdaSmi), I8(2),
|
|
B(Star), R(8),
|
|
B(Mov), R(9), R(4),
|
|
/* 21 E> */ B(StackCheck),
|
|
B(Mov), R(4), R(1),
|
|
/* 50 S> */ B(Mov), R(1), R(0),
|
|
B(LdaZero),
|
|
B(Star), R(8),
|
|
B(JumpLoop), U8(47), I8(0),
|
|
B(Jump), U8(33),
|
|
B(Star), R(16),
|
|
/* 50 E> */ B(CreateCatchContext), R(16), U8(7),
|
|
B(PushContext), R(16),
|
|
B(Star), R(15),
|
|
B(LdaSmi), I8(2),
|
|
B(TestEqualStrict), R(8), U8(12),
|
|
B(JumpIfFalse), U8(6),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(8),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(17),
|
|
B(CallRuntime), U16(Runtime::kReThrow), R(17), U8(1),
|
|
B(PopContext), R(16),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(13),
|
|
B(Star), R(12),
|
|
B(Jump), U8(7),
|
|
B(Star), R(13),
|
|
B(LdaZero),
|
|
B(Star), R(12),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(14),
|
|
B(LdaZero),
|
|
B(TestEqualStrict), R(8), U8(13),
|
|
B(JumpIfTrue), U8(90),
|
|
B(LdaNamedProperty), R(5), U8(8), U8(14),
|
|
B(Star), R(10),
|
|
B(TestUndetectable),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(79),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(8), U8(16),
|
|
B(JumpIfFalse), U8(47),
|
|
B(Ldar), R(10),
|
|
B(TestTypeOf), U8(6),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(18),
|
|
B(Wide), B(LdaSmi), I16(154),
|
|
B(Star), R(15),
|
|
B(LdaConstant), U8(9),
|
|
B(Star), R(16),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(15), U8(2),
|
|
B(Throw),
|
|
B(Mov), R(context), R(15),
|
|
B(Mov), R(10), R(16),
|
|
B(Mov), R(5), R(17),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(16), U8(2),
|
|
B(Jump), U8(6),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(15),
|
|
B(Jump), U8(27),
|
|
B(Mov), R(10), R(15),
|
|
B(Mov), R(5), R(16),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(15), U8(2),
|
|
B(Star), R(11),
|
|
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(11), U8(1),
|
|
B(JumpIfToBooleanFalse), U8(4),
|
|
B(Jump), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(11), U8(1),
|
|
B(Ldar), R(14),
|
|
B(SetPendingMessage),
|
|
B(LdaZero),
|
|
B(TestReferenceEqual), R(12),
|
|
B(JumpIfFalse), U8(5),
|
|
B(Ldar), R(13),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
/* 55 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
Smi [22],
|
|
Smi [10],
|
|
Smi [7],
|
|
SYMBOL_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
SCOPE_INFO_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
|
]
|
|
handlers: [
|
|
[48, 162, 170],
|
|
[51, 129, 131],
|
|
[230, 240, 242],
|
|
]
|
|
|
|
---
|
|
snippet: "
|
|
function* f(arr) {
|
|
for (let x of arr) yield x;
|
|
}
|
|
f([1, 2, 3]);
|
|
"
|
|
frame size: 17
|
|
parameter count: 2
|
|
bytecode array length: 330
|
|
bytecodes: [
|
|
B(SwitchOnGeneratorState), R(2), U8(0), U8(2),
|
|
B(Mov), R(closure), R(11),
|
|
B(Mov), R(this), R(12),
|
|
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(11), U8(2),
|
|
B(Star), R(2),
|
|
/* 11 E> */ B(StackCheck),
|
|
/* 11 E> */ B(SuspendGenerator), R(2), R(0), U8(11), U8(0),
|
|
B(ResumeGenerator), R(2), R(0), U8(11),
|
|
B(Star), R(11),
|
|
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
|
|
B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
|
|
B(Ldar), R(11),
|
|
/* 11 E> */ B(Throw),
|
|
B(Ldar), R(11),
|
|
/* 49 S> */ B(Return),
|
|
B(LdaZero),
|
|
B(Star), R(7),
|
|
B(Mov), R(context), R(13),
|
|
B(Mov), R(context), R(14),
|
|
/* 35 S> */ B(LdaNamedProperty), R(arg0), U8(4), U8(0),
|
|
B(Star), R(16),
|
|
B(CallProperty0), R(16), R(arg0), U8(2),
|
|
B(Mov), R(arg0), R(15),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
|
|
B(Star), R(4),
|
|
/* 35 E> */ B(LdaNamedProperty), R(4), U8(5), U8(4),
|
|
B(Star), R(5),
|
|
/* 30 S> */ B(CallProperty0), R(5), R(4), U8(6),
|
|
B(Star), R(6),
|
|
/* 30 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(6), U8(1),
|
|
B(ToBooleanLogicalNot),
|
|
B(JumpIfFalse), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(6), U8(1),
|
|
B(LdaNamedProperty), R(6), U8(6), U8(8),
|
|
B(JumpIfToBooleanTrue), U8(65),
|
|
B(LdaNamedProperty), R(6), U8(7), U8(10),
|
|
B(Star), R(8),
|
|
B(LdaSmi), I8(2),
|
|
B(Star), R(7),
|
|
B(Mov), R(8), R(3),
|
|
/* 21 E> */ B(StackCheck),
|
|
B(Mov), R(3), R(0),
|
|
/* 40 S> */ B(LdaFalse),
|
|
B(Star), R(16),
|
|
B(Mov), R(0), R(15),
|
|
B(InvokeIntrinsic), U8(Runtime::k_CreateIterResultObject), R(15), U8(2),
|
|
/* 40 E> */ B(SuspendGenerator), R(2), R(0), U8(15), U8(1),
|
|
B(ResumeGenerator), R(2), R(0), U8(15),
|
|
B(Star), R(15),
|
|
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
|
|
B(SwitchOnSmiNoFeedback), U8(8), U8(2), I8(0),
|
|
B(Ldar), R(15),
|
|
/* 40 E> */ B(Throw),
|
|
B(LdaZero),
|
|
B(Star), R(11),
|
|
B(Mov), R(15), R(12),
|
|
B(Jump), U8(55),
|
|
B(LdaZero),
|
|
B(Star), R(7),
|
|
B(JumpLoop), U8(84), I8(0),
|
|
B(Jump), U8(33),
|
|
B(Star), R(15),
|
|
B(CreateCatchContext), R(15), U8(10),
|
|
B(PushContext), R(15),
|
|
B(Star), R(14),
|
|
B(LdaSmi), I8(2),
|
|
B(TestEqualStrict), R(7), U8(12),
|
|
B(JumpIfFalse), U8(6),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(7),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(16),
|
|
B(CallRuntime), U16(Runtime::kReThrow), R(16), U8(1),
|
|
B(PopContext), R(15),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(12),
|
|
B(Star), R(11),
|
|
B(Jump), U8(8),
|
|
B(Star), R(12),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(11),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(13),
|
|
B(LdaZero),
|
|
B(TestEqualStrict), R(7), U8(13),
|
|
B(JumpIfTrue), U8(90),
|
|
B(LdaNamedProperty), R(4), U8(11), U8(14),
|
|
B(Star), R(9),
|
|
B(TestUndetectable),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(79),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(7), U8(16),
|
|
B(JumpIfFalse), U8(47),
|
|
B(Ldar), R(9),
|
|
B(TestTypeOf), U8(6),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(18),
|
|
B(Wide), B(LdaSmi), I16(154),
|
|
B(Star), R(14),
|
|
B(LdaConstant), U8(12),
|
|
B(Star), R(15),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(14), U8(2),
|
|
B(Throw),
|
|
B(Mov), R(context), R(14),
|
|
B(Mov), R(9), R(15),
|
|
B(Mov), R(4), R(16),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(15), U8(2),
|
|
B(Jump), U8(6),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(14),
|
|
B(Jump), U8(27),
|
|
B(Mov), R(9), R(14),
|
|
B(Mov), R(4), R(15),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(14), U8(2),
|
|
B(Star), R(10),
|
|
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(10), U8(1),
|
|
B(JumpIfToBooleanFalse), U8(4),
|
|
B(Jump), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1),
|
|
B(Ldar), R(13),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(11),
|
|
B(SwitchOnSmiNoFeedback), U8(13), U8(2), I8(0),
|
|
B(Jump), U8(8),
|
|
B(Ldar), R(12),
|
|
/* 49 S> */ B(Return),
|
|
B(Ldar), R(12),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
/* 49 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
Smi [22],
|
|
Smi [135],
|
|
Smi [10],
|
|
Smi [7],
|
|
SYMBOL_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
Smi [15],
|
|
Smi [7],
|
|
SCOPE_INFO_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
|
Smi [6],
|
|
Smi [9],
|
|
]
|
|
handlers: [
|
|
[48, 199, 207],
|
|
[51, 166, 168],
|
|
[268, 278, 280],
|
|
]
|
|
|
|
---
|
|
snippet: "
|
|
async function f(arr) {
|
|
for (let x of arr) { let y = x; }
|
|
}
|
|
f([1, 2, 3]);
|
|
"
|
|
frame size: 23
|
|
parameter count: 2
|
|
bytecode array length: 363
|
|
bytecodes: [
|
|
/* 16 E> */ B(StackCheck),
|
|
B(CallJSRuntime), U8(%async_function_promise_create), R(0), U8(0),
|
|
B(Star), R(12),
|
|
B(Mov), R(context), R(15),
|
|
B(Mov), R(context), R(16),
|
|
B(LdaZero),
|
|
B(Star), R(8),
|
|
B(Mov), R(context), R(19),
|
|
B(Mov), R(context), R(20),
|
|
/* 40 S> */ B(LdaNamedProperty), R(arg0), U8(0), U8(0),
|
|
B(Star), R(22),
|
|
B(CallProperty0), R(22), R(arg0), U8(2),
|
|
B(Mov), R(arg0), R(21),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
|
|
B(Star), R(5),
|
|
/* 40 E> */ B(LdaNamedProperty), R(5), U8(1), U8(4),
|
|
B(Star), R(6),
|
|
/* 35 S> */ B(CallProperty0), R(6), R(5), U8(6),
|
|
B(Star), R(7),
|
|
/* 35 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(7), U8(1),
|
|
B(ToBooleanLogicalNot),
|
|
B(JumpIfFalse), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1),
|
|
B(LdaNamedProperty), R(7), U8(2), U8(8),
|
|
B(JumpIfToBooleanTrue), U8(28),
|
|
B(LdaNamedProperty), R(7), U8(3), U8(10),
|
|
B(Star), R(9),
|
|
B(LdaSmi), I8(2),
|
|
B(Star), R(8),
|
|
B(Mov), R(9), R(4),
|
|
/* 26 E> */ B(StackCheck),
|
|
B(Mov), R(4), R(1),
|
|
/* 55 S> */ B(Mov), R(1), R(0),
|
|
B(LdaZero),
|
|
B(Star), R(8),
|
|
B(JumpLoop), U8(47), I8(0),
|
|
B(Jump), U8(37),
|
|
B(Star), R(21),
|
|
/* 55 E> */ B(CreateCatchContext), R(21), U8(4),
|
|
B(Star), R(20),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(20),
|
|
B(PushContext), R(21),
|
|
B(LdaSmi), I8(2),
|
|
B(TestEqualStrict), R(8), U8(12),
|
|
B(JumpIfFalse), U8(6),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(8),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(22),
|
|
B(CallRuntime), U16(Runtime::kReThrow), R(22), U8(1),
|
|
B(PopContext), R(21),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(18),
|
|
B(Star), R(17),
|
|
B(Jump), U8(7),
|
|
B(Star), R(18),
|
|
B(LdaZero),
|
|
B(Star), R(17),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(19),
|
|
B(LdaZero),
|
|
B(TestEqualStrict), R(8), U8(13),
|
|
B(JumpIfTrue), U8(90),
|
|
B(LdaNamedProperty), R(5), U8(5), U8(14),
|
|
B(Star), R(10),
|
|
B(TestUndetectable),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(79),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(8), U8(16),
|
|
B(JumpIfFalse), U8(47),
|
|
B(Ldar), R(10),
|
|
B(TestTypeOf), U8(6),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(18),
|
|
B(Wide), B(LdaSmi), I16(154),
|
|
B(Star), R(20),
|
|
B(LdaConstant), U8(6),
|
|
B(Star), R(21),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(20), U8(2),
|
|
B(Throw),
|
|
B(Mov), R(context), R(20),
|
|
B(Mov), R(10), R(21),
|
|
B(Mov), R(5), R(22),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(21), U8(2),
|
|
B(Jump), U8(6),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(20),
|
|
B(Jump), U8(27),
|
|
B(Mov), R(10), R(20),
|
|
B(Mov), R(5), R(21),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(20), U8(2),
|
|
B(Star), R(11),
|
|
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(11), U8(1),
|
|
B(JumpIfToBooleanFalse), U8(4),
|
|
B(Jump), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(11), U8(1),
|
|
B(Ldar), R(19),
|
|
B(SetPendingMessage),
|
|
B(LdaZero),
|
|
B(TestReferenceEqual), R(17),
|
|
B(JumpIfFalse), U8(5),
|
|
B(Ldar), R(18),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
B(Star), R(18),
|
|
B(Mov), R(12), R(17),
|
|
B(InvokeIntrinsic), U8(Runtime::k_ResolvePromise), R(17), U8(2),
|
|
B(LdaZero),
|
|
B(Star), R(13),
|
|
B(Mov), R(12), R(14),
|
|
B(Jump), U8(55),
|
|
B(Jump), U8(39),
|
|
B(Star), R(17),
|
|
B(CreateCatchContext), R(17), U8(7),
|
|
B(Star), R(16),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(16),
|
|
B(PushContext), R(17),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(19),
|
|
B(LdaFalse),
|
|
B(Star), R(20),
|
|
B(Mov), R(12), R(18),
|
|
B(InvokeIntrinsic), U8(Runtime::k_RejectPromise), R(18), U8(3),
|
|
B(PopContext), R(17),
|
|
B(LdaZero),
|
|
B(Star), R(13),
|
|
B(Mov), R(12), R(14),
|
|
B(Jump), U8(16),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(14),
|
|
B(Star), R(13),
|
|
B(Jump), U8(8),
|
|
B(Star), R(14),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(13),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(15),
|
|
B(LdaFalse),
|
|
B(Star), R(17),
|
|
B(Mov), R(12), R(16),
|
|
B(CallJSRuntime), U8(%async_function_promise_release), R(16), U8(2),
|
|
B(Ldar), R(15),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(13),
|
|
B(SwitchOnSmiNoFeedback), U8(8), U8(2), I8(0),
|
|
B(Jump), U8(8),
|
|
B(Ldar), R(14),
|
|
/* 60 S> */ B(Return),
|
|
B(Ldar), R(14),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
/* 60 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
SYMBOL_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
SCOPE_INFO_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
|
SCOPE_INFO_TYPE,
|
|
Smi [6],
|
|
Smi [9],
|
|
]
|
|
handlers: [
|
|
[10, 316, 324],
|
|
[13, 277, 279],
|
|
[19, 137, 145],
|
|
[22, 100, 102],
|
|
[205, 215, 217],
|
|
]
|
|
|
|
---
|
|
snippet: "
|
|
async function f(arr) {
|
|
for (let x of arr) await x;
|
|
}
|
|
f([1, 2, 3]);
|
|
"
|
|
frame size: 23
|
|
parameter count: 2
|
|
bytecode array length: 414
|
|
bytecodes: [
|
|
B(SwitchOnGeneratorState), R(2), U8(0), U8(1),
|
|
B(Mov), R(closure), R(12),
|
|
B(Mov), R(this), R(13),
|
|
B(InvokeIntrinsic), U8(Runtime::k_CreateJSGeneratorObject), R(12), U8(2),
|
|
B(Star), R(2),
|
|
/* 16 E> */ B(StackCheck),
|
|
B(CallJSRuntime), U8(%async_function_promise_create), R(0), U8(0),
|
|
B(Star), R(11),
|
|
B(Mov), R(context), R(14),
|
|
B(Mov), R(context), R(15),
|
|
B(LdaZero),
|
|
B(Star), R(7),
|
|
B(Mov), R(context), R(18),
|
|
B(Mov), R(context), R(19),
|
|
/* 40 S> */ B(LdaNamedProperty), R(arg0), U8(1), U8(0),
|
|
B(Star), R(21),
|
|
B(CallProperty0), R(21), R(arg0), U8(2),
|
|
B(Mov), R(arg0), R(20),
|
|
B(JumpIfJSReceiver), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
|
|
B(Star), R(4),
|
|
/* 40 E> */ B(LdaNamedProperty), R(4), U8(2), U8(4),
|
|
B(Star), R(5),
|
|
/* 35 S> */ B(CallProperty0), R(5), R(4), U8(6),
|
|
B(Star), R(6),
|
|
/* 35 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(6), U8(1),
|
|
B(ToBooleanLogicalNot),
|
|
B(JumpIfFalse), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(6), U8(1),
|
|
B(LdaNamedProperty), R(6), U8(3), U8(8),
|
|
B(JumpIfToBooleanTrue), U8(63),
|
|
B(LdaNamedProperty), R(6), U8(4), U8(10),
|
|
B(Star), R(8),
|
|
B(LdaSmi), I8(2),
|
|
B(Star), R(7),
|
|
B(Mov), R(8), R(3),
|
|
/* 26 E> */ B(StackCheck),
|
|
B(Mov), R(3), R(0),
|
|
/* 45 S> */ B(Mov), R(2), R(20),
|
|
B(Mov), R(0), R(21),
|
|
B(Mov), R(11), R(22),
|
|
B(CallJSRuntime), U8(%async_function_await_uncaught), R(20), U8(3),
|
|
/* 45 E> */ B(SuspendGenerator), R(2), R(0), U8(20), U8(0),
|
|
B(ResumeGenerator), R(2), R(0), U8(20),
|
|
B(Star), R(20),
|
|
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(2), U8(1),
|
|
B(Star), R(21),
|
|
B(LdaZero),
|
|
B(TestReferenceEqual), R(21),
|
|
B(JumpIfTrue), U8(5),
|
|
B(Ldar), R(20),
|
|
B(ReThrow),
|
|
B(LdaZero),
|
|
B(Star), R(7),
|
|
B(JumpLoop), U8(82), I8(0),
|
|
B(Jump), U8(37),
|
|
B(Star), R(20),
|
|
B(CreateCatchContext), R(20), U8(5),
|
|
B(Star), R(19),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(19),
|
|
B(PushContext), R(20),
|
|
B(LdaSmi), I8(2),
|
|
B(TestEqualStrict), R(7), U8(12),
|
|
B(JumpIfFalse), U8(6),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(7),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(21),
|
|
B(CallRuntime), U16(Runtime::kReThrow), R(21), U8(1),
|
|
B(PopContext), R(20),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(17),
|
|
B(Star), R(16),
|
|
B(Jump), U8(7),
|
|
B(Star), R(17),
|
|
B(LdaZero),
|
|
B(Star), R(16),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(18),
|
|
B(LdaZero),
|
|
B(TestEqualStrict), R(7), U8(13),
|
|
B(JumpIfTrue), U8(90),
|
|
B(LdaNamedProperty), R(4), U8(6), U8(14),
|
|
B(Star), R(9),
|
|
B(TestUndetectable),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(79),
|
|
B(LdaSmi), I8(1),
|
|
B(TestEqualStrict), R(7), U8(16),
|
|
B(JumpIfFalse), U8(47),
|
|
B(Ldar), R(9),
|
|
B(TestTypeOf), U8(6),
|
|
B(JumpIfFalse), U8(4),
|
|
B(Jump), U8(18),
|
|
B(Wide), B(LdaSmi), I16(154),
|
|
B(Star), R(19),
|
|
B(LdaConstant), U8(7),
|
|
B(Star), R(20),
|
|
B(CallRuntime), U16(Runtime::kNewTypeError), R(19), U8(2),
|
|
B(Throw),
|
|
B(Mov), R(context), R(19),
|
|
B(Mov), R(9), R(20),
|
|
B(Mov), R(4), R(21),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(20), U8(2),
|
|
B(Jump), U8(6),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(19),
|
|
B(Jump), U8(27),
|
|
B(Mov), R(9), R(19),
|
|
B(Mov), R(4), R(20),
|
|
B(InvokeIntrinsic), U8(Runtime::k_Call), R(19), U8(2),
|
|
B(Star), R(10),
|
|
B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(10), U8(1),
|
|
B(JumpIfToBooleanFalse), U8(4),
|
|
B(Jump), U8(7),
|
|
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(10), U8(1),
|
|
B(Ldar), R(18),
|
|
B(SetPendingMessage),
|
|
B(LdaZero),
|
|
B(TestReferenceEqual), R(16),
|
|
B(JumpIfFalse), U8(5),
|
|
B(Ldar), R(17),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
B(Star), R(17),
|
|
B(Mov), R(11), R(16),
|
|
B(InvokeIntrinsic), U8(Runtime::k_ResolvePromise), R(16), U8(2),
|
|
B(LdaZero),
|
|
B(Star), R(12),
|
|
B(Mov), R(11), R(13),
|
|
B(Jump), U8(55),
|
|
B(Jump), U8(39),
|
|
B(Star), R(16),
|
|
B(CreateCatchContext), R(16), U8(8),
|
|
B(Star), R(15),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(15),
|
|
B(PushContext), R(16),
|
|
B(LdaImmutableCurrentContextSlot), U8(4),
|
|
B(Star), R(18),
|
|
B(LdaFalse),
|
|
B(Star), R(19),
|
|
B(Mov), R(11), R(17),
|
|
B(InvokeIntrinsic), U8(Runtime::k_RejectPromise), R(17), U8(3),
|
|
B(PopContext), R(16),
|
|
B(LdaZero),
|
|
B(Star), R(12),
|
|
B(Mov), R(11), R(13),
|
|
B(Jump), U8(16),
|
|
B(LdaSmi), I8(-1),
|
|
B(Star), R(13),
|
|
B(Star), R(12),
|
|
B(Jump), U8(8),
|
|
B(Star), R(13),
|
|
B(LdaSmi), I8(1),
|
|
B(Star), R(12),
|
|
B(LdaTheHole),
|
|
B(SetPendingMessage),
|
|
B(Star), R(14),
|
|
B(LdaTrue),
|
|
B(Star), R(16),
|
|
B(Mov), R(11), R(15),
|
|
B(CallJSRuntime), U8(%async_function_promise_release), R(15), U8(2),
|
|
B(Ldar), R(14),
|
|
B(SetPendingMessage),
|
|
B(Ldar), R(12),
|
|
B(SwitchOnSmiNoFeedback), U8(9), U8(2), I8(0),
|
|
B(Jump), U8(8),
|
|
B(Ldar), R(13),
|
|
/* 54 S> */ B(Return),
|
|
B(Ldar), R(13),
|
|
B(ReThrow),
|
|
B(LdaUndefined),
|
|
/* 54 S> */ B(Return),
|
|
]
|
|
constant pool: [
|
|
Smi [125],
|
|
SYMBOL_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
|
|
SCOPE_INFO_TYPE,
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
|
|
ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
|
|
SCOPE_INFO_TYPE,
|
|
Smi [6],
|
|
Smi [9],
|
|
]
|
|
handlers: [
|
|
[26, 367, 375],
|
|
[29, 328, 330],
|
|
[35, 188, 196],
|
|
[38, 151, 153],
|
|
[256, 266, 268],
|
|
]
|
|
|